Vulnerability in ironic (CVE-2026-54421)
Summary
Vulnerability in ironic (CVE-2026-54421). Confidential information can be exposed externally. Mitigation: upgrade to 37.0.1 or later.
Original description
The description as published by the source.
In OpenStack Ironic through 35.0.1, when applying a PATCH to update fields in volume properties the user is authorized for, Ironic can return unredacted sensitive information (such as iSCSI credentials). The PATCH outcome is a security issue; the POST outcome is not a security issue.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-54421 has been found in ironic.
Confidential information can be exposed externally. CVSS score: 6.8/10.
What to do: upgrade ironic to 37.0.1 or later.
If unsure, ask your IT team or search "ironic CVE-2026-54421" on the vendor's site.
CVE-2026-54421 (ironic) — CWE-212 / CVSS v3 6.8
Attack vector: remote (network-reachable) / no user interaction
Patched: 37.0.1 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-212) exists in ironic.
Check the vendor advisory for the affected versions of ironic.
Severity: Medium (CVSS 6.8/10). Confidential information can be exposed externally.
Update to 37.0.1.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'ironic' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'ironic' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
ironicを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade ironic to 37.0.1ステージング環境で 37.0.1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-54421 ironic
- Ubuntu UBUNTU-CVE-2026-54421 ironic
References
- web bugs.launchpad.net
- web nvd.nist.gov
- web github.com
- web security.openstack.org
- web openwall.com
- web github.com
- web review.opendev.org